Programmer Think

catalogue 1, Set set 1. Operation method 2.set case II. Map() set 1. Operation method 2. Traversal of map() (1)for...of implementation traversal (2) forEach() traversal 1, Set set Set: a data structure similar to an array without duplicate values. Mainly used for Array de duplication , string de duplication. 1. Operation method ...

preface❤️ The gentle sunset is always mixed with poetry and distance ❤️ 1, PC side web page effects (1) Element offset offset series 1.1 offset overview Offset translates to offset. We can dynamically get the position (offset) and size of the element by using the relevant attributes of offset series. Obtain the position of the element ...

preface I suddenly want to crawl CSDN's columns and save them locally. In order to have less impact, I specially select the front page of CSDN for display.Comprehensive information Where was this test point found? Click the hot article in the figure below, and then jump to the specific article , and then click the column to enter Cut the c ...

preface❤️ How much talent a person has, how much humility will be engraved in his bones ❤️ 1, JavaScript event advanced (1) Registration event (binding event) 1.1 overview of registration events one ️⃣ Adding an event to an element is called a registration event or a binding event. two ️⃣ There are two ways to register events: traditi ...

ES6 introduces modularity, which is divided into two modules: export @ and import. ES6 modular features: (1) The module of ES6 automatically turns on the strict mode, whether you add use strict; to the module header or not;. (2) The module can import and export various types of variables, such as functions, objects, strings, numbers, Boolean va ...

1.Symbol Symbol is a new basic type; The main function is to define unique attribute names. This feature can also be used to protect private variables. Because the outside world cannot generate the same symbol, it cannot be accessed; If you want to reuse this symbol, you can use the static method symbol for(value: string)； The Global Registr ...

3D resume Github Project Demo Three.js, Vue+Element UI, ES6 preface Recently made a 3D resume. Let's record the production process. Sketch constructionDownload modelMaking mapsWrite codeWrite it at the back Construction sketch My idea is to build a three-dimensional study, which includes two walls and a desk, similar to the follow ...

Page refresh data lost In vue, data, vuex store and other data are in memory. Once the page is refreshed, these data will be lost (or reset to the initial value), which will affect the user experience at some times. Cache, recovery If you want to make the data refresh not lost, you have to listen to the page refresh event, cache the data to ...

Article catalogue 1, What is web API?2, Events 2.1 concept2.2 three elements of event 3, Get element4, Operation element 4.1 get / modify element content 4.1.1 innerText4.1.2 innerHTML 4.2 get / modify element attributes4.3 get / modify form element attributes 4.3.1 value: the value of the ...

When learning becomes a habit, knowledge becomes common sense. Thank you for your likes, collections and comments.The new video and articles will be sent to WeChat official account for the first time. Li YongningThe article has been included in github warehouse liyongning/blog , welcome to Watch and Star.prefaceLast article Interpretation of Vu ...